If every draft prospect were a choirboy, the first few rounds would play out very differently from how they will end up. Here are some of the prospects who scouts say could be affected by "character" concerns.

Jonathan Casillas, LB, Wisconsin: He has had a couple of drunken-driving episodes, and scouts question his maturity.

Vontae Davis, CB, Illinois: The Illini's top defensive standout is considered a handful for coaches, as he was demoted in spring practice and benched for the start of a game.

David Haugh: 10 things David Haugh knows about the Chicago Bears Dannell Ellerbe, LB, Georgia: In one ugly incident, Ellerbe was arrested and charged with felony theft of a motor vehicle, giving false information to police, driving under the influence and underage possession of alcohol.

Arian Foster, RB, Tennessee: He has an arrest in his past for disorderly conduct and is considered difficult to deal with.

Shonn Greene, RB, Iowa: Scouts question his work ethic, and the Tribune's 2008 Silver Football winner had to sit out the 2007 season with academic issues.

Bruce Johnson, CB, Miami: Suspended for being late to practices and missing practices.

It would be a compliment to Hill to call him the second coming of Ron Dayne. I don't see him even having that kind of success in the pros.

Greene on the other hand, if you can straighten him out, you got a damn fine RB.

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Knowing Smithiak, we wouldnt have used a first day pick on Shonn Greene anyway, so no loss there. After looking at game film of both of them dont see that much of a drop off between him and Gartrell Johnson from CSU. Being that Johnson is projected as a 5-6 round pick.... the value is much greater.